Visible-light photocatalytic activity of N/SiO 2 –TiO 2 thin films on glass
✍ Scribed by Dung Dang, Thi My; Dam Le, Duy; Thang Chau, Vinh; Chien Dang, Mau
- Book ID
- 124066341
- Publisher
- IOP Publishing
- Year
- 2010
- Tongue
- English
- Weight
- 879 KB
- Volume
- 1
- Category
- Article
- ISSN
- 2043-6254
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## Abstract BACKGROUND: Semiconductor TiO~2~ has been investigated extensively due to its chemical stability, nontoxicity and inexpensiveness. However, the wide band gap of anatase TiO~2~ (about 3.2 eV) only allows it to absorb UV light. TiO~2~ nanoparticles modified by conditional conjugated polym
Owing to the large band gap energy of 3.2eV, pure TiO 2 film operates as an efficient photocatalyst under UV light irradiation and exhibits no photocatalytic activity under the visible spectral region. UV is only about 3% of the light existing in the solar spectrum. Currently, the red-shift in the b